The tutorial will explain about how to change default ssh port number in OpenSSH Server on CentOS 7 and RHEL 7 . We will change the SSH default port no. 22 to our desired number and we will keep SELINUX enabled. We will also add new firewalld rule with respect to new ssh port number. … Continue reading CentOS 7 / RHEL 7 : change OpenSSH port number ( SELINUX enabled )